According to iOS-jailbreak community members and iOS-developers named MuscleNerd and iH8sn0w, Apple has partially patched the exploits used in Evasi0n7 iOS 7 Jailbreak Tool developed by Evad3rs, so it’s not confirmed yet whether Evasi0n7 can Untethered Jailbreak iOS 7.1 Beta 4 Firmware or not.

According to iOS-jailbreak community members and iOS-developers named MuscleNerd and iH8sn0w, Apple has partially patched the exploits used in Evasi0n7 iOS 7 Jailbreak Tool developed by Evad3rs, so it’s not confirmed yet whether Evasi0n7 can Untethered Jailbreak iOS 7.1 Beta 4 Firmware or not.